IndyCar drivers getting handle on new aerodynamic kits that drive, look different

Marco Andretti (27) heads into a turn during IndyCar testing at Barber Motorsports Park, Monday, March 16, 2015, in Birmingham, Ala. Drivers are testing the new aerodynamic packages on their cars. (AP Photo/Butch Dill)
(The Associated Press)

Josef Newgarden (67) heads into a turn during IndyCar auto racing testing at Barber Motorsports Park, Monday, March 16, 2015, in Birmingham, Ala. Drivers are testing the new aerodynamic packages on their cars. (AP Photo/Butch Dill)
(The Associated Press)

Scott Dixon, of New Zealand, looks down pit lane during IndyCar testing at Barber Motorsports Park, Monday, March 16, 2015, in Birmingham, Ala. Drivers are testing the new aerodynamic packages on their cars. (AP Photo/Butch Dill)
(The Associated Press)